Measurement of theD0,D+, andDs+lifetimes

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ID: 271326
1988
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Abstract
We have measured the lifetimes of the D0, D+, and Ds+ mesons which were produced by a high-energy photon beam incident on beryllium. Using the Fermilab Tagged Photon Spectrometer with a silicon-microstrip vertex detector we have collected 108 events from which we have extracted about 4200 D0 decays in the K−π+ and K−π+π−π+ modes, 3000 D+ into the K−π+π+ channel, and a total of 230 Ds+ into φπ+ and K¯*0K+. From an analysis of these events we have determined the lifetimes for the D0, D+, and Ds+ to be 0.422±0.008±0.010, 1.090±0.030±0.025, and 0.47±0.04±0.02 psec, respectively.
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Authors J. R. Raab,J. C. Anjos,J. A. Appel,S. B. Bracker,T. E. Browder,L. M. Cremaldi,J. R. Elliott,C. O. Escobar,P. Estabrooks,M. C. Gibney,G. F. Hartner,P. E. Karchin,B. R. Kumar,M. J. Losty,G. J. Luste,P. M. Mantsch,J. F. Martin,S. McHugh,S. R. Menary,R. J. Morrison,T. Nash,U. Nauenberg,P. Ong,J. Pinfold,G. Punkar,M. V. Purohit,A. F. S. Santoro,J. S. Sidhu,K. Sliwa,M. D. Sokoloff,M. H. G. Souza,W. J. Spalding,M. E. Streetman,A. B. Stundia,M. S. Witherell;J. R. Raab;J. C. Anjos;J. A. Appel;S. B. Bracker;T. E. Browder;L. M. Cremaldi;J. R. Elliott;C. O. Escobar;P. Estabrooks;M. C. Gibney;G. F. Hartner;P. E. Karchin;B. R. Kumar;M. J. Losty;G. J. Luste;P. M. Mantsch;J. F. Martin;S. McHugh;S. R. Menary;R. J. Morrison;T. Nash;U. Nauenberg;P. Ong;J. Pinfold;G. Punkar;M. V. Purohit;A. F. S. Santoro;J. S. Sidhu;K. Sliwa;M. D. Sokoloff;M. H. G. Souza;W. J. Spalding;M. E. Streetman;A. B. Stundia;M. S. Witherell;
Journal physical review d
Year 1988
DOI
10.1103/physrevd.37.2391
URL
https://sciprofiles.com/publication/view/9446a3cebe36bd8c1870c0a309137c1f
Keywords
beryllium mass spectrum

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